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Aktuelle Fachpublikationen

Metal-free ferromagnetic metal and intrinsic spin semiconductor: two different kinds of SWCNT functionalized BN nanoribbons

Two different kinds of SWCNT functionalized zigzag edge BN nanoribbons with n chains (n-ZBNNRs), namely, (a) B-edge functionalized by (m,m)SWCNT and N-edge modified with H (nZBNNR-B-(m,m)SWCNTs); and (b) the B-edge modified with H and the N-edge functionalized by (m,m)SWCNT (nZBNNR-N-(m,m)S ... mehr

Light sensitization of DNA nanostructures via incorporation of photo-cleavable spacers

Using light irradiation as a trigger, large-scale structural reconfiguration of DNA nanostructures is demonstrated. We incorporated photo-cleavable spacers at strategic locations within the short oligonucleotide strands connecting adjacent helices within a DNA origami sphere, and then used ... mehr

Towards efficient photoinduced charge separation in carbon nanodots and TiO2 composites in the visible region

In this work, photoinduced charge separation behaviors in non-long-chain-molecule-functionalized carbon nanodots (CDs) with visible intrinsic absorption (CDs-V) and TiO2 composites were investigated. Efficient photoinduced electron injection from CDs-V to TiO2 with a rate of 8.8 × 108 s−1 a ... mehr

Lithium-cyclo-difluoromethane-1,1-bis(sulfonyl)imide as a stabilizing electrolyte additive for improved high voltage application of lithium-ion batteries

Lithium-cyclo-difluoromethane-1,1-bis(sulfonyl)imide (LiDMSI) was evaluated as an electrolyte additive in lithium-ion batteries for improved high voltage application. Cycling the cathode at high potentials leads to an electrochemical oxidation of the salt to form a cathode electrolyte inter ... mehr

Light-controlled resistive switching memory of multiferroic BiMnO3 nanowire arrays

A multiferroic BiMnO3 nanowire array was prepared using a hydrothermal process and its resistive switching memory behaviors were further investigated. The prominent ferroelectricity can be well controlled by white-light illumination, thus offering an excellent light-controlled resistive swi ... mehr

Alle Fachpublikationen

Calibration methods in glow discharge optical emission spectroscopy: A tutorial review

Calibration methods used in glow discharge optical emission spectrometry are reviewed. They differ in the ways of handling the variable sputtering rate of different materials. Sputtering rate affects the intensities of emission lines of the elements anayzed and must be corrected for. Algori ... mehr

Planar microfluidic drop splitting and merging

Open droplet microfluidic platforms offer attractive alternatives to closed microchannel devices, including lower fabrication cost and complexity, significantly smaller sample and reagent volumes, reduced surface contact and adsorption, as well as drop scalability, reconfigurability, and in ... mehr

A step towards Mobile Arsenic measurement for surface waters

Surface modified quantum dots (QDs) are studied using a bio-inspired cysteine rich ligand (glutathione, GSH) and their quenching response and selectivity to arsenic examined. As predicted from As3+ binding with highly crosslinked phytochelatin-(PCn)-like molecules, better arsenic selectivit ... mehr

Modular microfluidics for point-of-care protein purifications

Biochemical separations are the heart of diagnostic assays and purification methods for biologics. On-chip miniaturization and modularization of separation procedures will enable the development of customized, portable devices for personalized health-care diagnostics and point-of-use produc ... mehr

Mixing with herringbone-inspired microstructures: overcoming the diffusion limit in co-laminar microfluidic devices

Enhancing mixing is of uttermost importance in many laminar microfluidic devices, aiming at overcoming the severe performance limitation of species transport by diffusion alone. Here we focus on the significant category of microscale co-laminar flows encountered in membraneless redox flow c ... mehr

Alle Fachpublikationen zu Analytik

Metal-free ferromagnetic metal and intrinsic spin semiconductor: two different kinds of SWCNT functionalized BN nanoribbons

Two different kinds of SWCNT functionalized zigzag edge BN nanoribbons with n chains (n-ZBNNRs), namely, (a) B-edge functionalized by (m,m)SWCNT and N-edge modified with H (nZBNNR-B-(m,m)SWCNTs); and (b) the B-edge modified with H and the N-edge functionalized by (m,m)SWCNT (nZBNNR-N-(m,m)S ... mehr

Light sensitization of DNA nanostructures via incorporation of photo-cleavable spacers

Using light irradiation as a trigger, large-scale structural reconfiguration of DNA nanostructures is demonstrated. We incorporated photo-cleavable spacers at strategic locations within the short oligonucleotide strands connecting adjacent helices within a DNA origami sphere, and then used ... mehr

Towards efficient photoinduced charge separation in carbon nanodots and TiO2 composites in the visible region

In this work, photoinduced charge separation behaviors in non-long-chain-molecule-functionalized carbon nanodots (CDs) with visible intrinsic absorption (CDs-V) and TiO2 composites were investigated. Efficient photoinduced electron injection from CDs-V to TiO2 with a rate of 8.8 × 108 s−1 a ... mehr

Lithium-cyclo-difluoromethane-1,1-bis(sulfonyl)imide as a stabilizing electrolyte additive for improved high voltage application of lithium-ion batteries

Lithium-cyclo-difluoromethane-1,1-bis(sulfonyl)imide (LiDMSI) was evaluated as an electrolyte additive in lithium-ion batteries for improved high voltage application. Cycling the cathode at high potentials leads to an electrochemical oxidation of the salt to form a cathode electrolyte inter ... mehr

Light-controlled resistive switching memory of multiferroic BiMnO3 nanowire arrays

A multiferroic BiMnO3 nanowire array was prepared using a hydrothermal process and its resistive switching memory behaviors were further investigated. The prominent ferroelectricity can be well controlled by white-light illumination, thus offering an excellent light-controlled resistive swi ... mehr

Alle Fachpublikationen zu Chemie

Inside the USCAP Journals

Inside the USCAP Journals Laboratory Investigation 95, 248 (March 2015). doi:10.1038/labinvest.2015.31 mehr

Application of GFP imaging in cancer

Application of GFP imaging in cancer Laboratory Investigation advance online publication, February 16 2015. doi:10.1038/labinvest.2014.154 Author: Robert M Hoffman mehr

Inside the USCAP Journals

Inside the USCAP Journals Laboratory Investigation 95, 122 (February 2015). doi:10.1038/labinvest.2014.164 mehr

Inside the USCAP Journals

Inside the USCAP Journals Laboratory Investigation 95, 2 (January 2015). doi:10.1038/labinvest.2014.152 mehr

Gammaherpesvirus infection modulates the temporal and spatial expression of SCGB1A1 (CCSP) and BPIFA1 (SPLUNC1) in the respiratory tract

Gammaherpesvirus infection modulates the temporal and spatial expression of SCGB1A1 (CCSP) and BPIFA1 (SPLUNC1) in the respiratory tract Laboratory Investigation advance online publication, December 22 2014. doi:10.1038/labinvest.2014.162 Authors: Gail H Leeming, Anja Kipar, D ... mehr

Alle Fachpublikationen zu Labortechnik

Comparison of in‐situ recovery methods of gas stripping, pervaporation, and vacuum separation by multi‐objective optimization for producing biobutanol via fermentation process

Acetone, butanol, and ethanol (ABE) continuous fermentation for biobutanol production was simulated and optimized for three case studies where the ABE fermentation process was integrated in turn with gas stripping, pervaporation, and vacuum separation methods in an attempt to partly mitigat ... mehr

Lac‐Mégantic accident: What we learned

A tragic train derailment in Lac‐Megantic, a small Quebec community caused 47 fatalities, the destruction of part of the town and huge cleaning costs. The Transportation Safety Board of Canada (TSB) has conducted an in‐depth investigation of the causes of Lac‐Mégantic accident and has formu ... mehr

Calcium ion modulates protein release from chitosan‐hyaluronic acid poly electrolyte gel

Polyelectrolyte complex (PEC) of chitosan (CH) and hyaluronic acid (HA) are widely used for skin, cartilage, and bone tissue engineering. However, no reports are seen on their response at high ionic media, like increased Ca2+ where they are likely to be exposed in the form of bone construct ... mehr

The effect of expanded graphite on the thermal stability, latent heat, and flammability properties of EVA/wax phase change blends

This article reports on the morphology, melting and crystallization behavior, thermal stability, flammability and thermal conductivity of shape‐stabilized phase‐change materials (PCM) for thermal energy storage, based on a soft Fischer–Tropsch paraffin wax, the PCM, blended with ethylene vi ... mehr

Cover Chem. Eng. Technol. 3/2015

Abstract Equipment, cables and piping as found inside an industrial plant. Copyright: Andrei Merkulov – Fotolia.com mehr

Alle Fachpublikationen zu Verfahrenstechnik

Changes in mangrove species assemblages and future prediction of the Bangladesh Sundarbans using Markov chain model and cellular automata

The composition and assemblage of mangroves in the Bangladesh Sundarbans are changing systematically in response to several environmental factors. In order to understand the impact of the changing environmental conditions on the mangrove forest, species composition maps for the years 1985, ... mehr

The temporal distribution, source and potential toxicity of polycyclic aromatic hydrocarbons in sediment core from an urban lake in Wuhan, China

The urban lakes in China, especially for those with relatively small area and closed watershed, have been suffered from serious pollution and are in high risk of eutrophication due to the little concerns. The temporal distribution profile, source apportionment and potential toxicity of pare ... mehr

Urban contamination sources reflected in inorganic pollution in urban lake deposits, Bergen, Norway.

The 7000 year transition from a pristine environment towards a modern city has brought a number of chemical changes and effects to urban lake sediments in Bergen. Metals, such as Pb, Hg, Zn, Cu and Fe, display a large anthropogenic influence and reflect historical point sources that existed ... mehr

Source apportionment of airborne nanoparticles in a Middle Eastern city using positive matrix factorization

Airborne nanoparticles have been studied worldwide, but little is known about their sources in the Middle East region, where hot, arid and dusty climatic conditions generally prevail. For the first time in Kuwait, we carried out size-resolved measurements of particle number distributions (P ... mehr

Sustainability, Vol. 7, Pages 2437-2453: Low Carbon Urban Transitioning: From Local Experimentation to Urban Transformation?

Climate change mitigation remains a contested political and policy issue nationally in Australia. Nevertheless, Australian cities have been actively engaging with low carbon policy for well over a decade and numerous actions and programs have resulted. A question arises as to whether such ... mehr

Alle Fachpublikationen zu Umwelttechnik
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